4 Pack Truck Adapter for 2 Post Lift – Hot-dipped galvanized steel construction with precise M36 thread and 2.32in diameter stack adapters. Compatible with Challenger two-post lift models including CL9, CL10, X10, SA10, CL10, VS10, SA10x, E10, etc, and similar drop-in pad models. Heavy-Duty Auto Lift Spin-Up Frame Adapter – 360° self-leveling rotating head adjusts to vehicle center of gravity shifts, minimizing frame deformation risks on asymmetric loads like modified trucks or SUVs during lifting operations. Vehicle Protection Lift Pads for 2 Post Lift – Dual-layer design combines 3x corrosion-resistant hot-dip galvanization with high-density anti-slip rubber padding (0.8 coefficient) to shield chassis finishes from scratches while preventing slips on the lift platform. Quick-Install Truck Adapter Kit for Two Post Lifts – Spring-loaded sleeve interface plugs directly into original holes with tool-free setup for fast model switching, eliminating wobble or derailment issues common with universal adapters. Complete 4-Piece Set for Balanced & Stable Lifting – Includes four durable adapters rated for 10,000–18,000 lb two-post car lifts, providing even weight distribution, enhanced safety, and long-lasting performance with 1-year worry-free warranty. Note: Please measure the boom hole diameter of the double-column lift before purchasing. We provide two sizes of adapters to choose from, suitable for lifts with boom hole diameters of 50mm & 60mm. Note: Please measure the boom hole diameter of the double-column lift before purchasing. We provide two sizes of adapters to choose from, suitable for lifts with boom hole diameters of 50mm & 60mm.